1. Login and click on "Payment Methods" on the left. If you need to, select "Add a Payment Method" and follow the prompts to add a new card.
2. If you have an active subscription, click "View Subscription" and then "Change Payment".
3. You'll need to select your new card and enter the CSC code associated with your new card and save it.
After that, you will be all set for your next renewal!